Dimensions: 3.5” x 2”; Construction: Copper; Additional Tools: Bottle Opener l Carabiner l Keyring l Nail File l Pry Bar l Small Screwdriver l Wrench; Other Info: Screws and hardware provided to custom fit the key retention to hold up to 14 keys. Other tools include: 1/4” screw bit driver, (10mm, 1/8”, 3/16”, 1/4”, 5/16”, 3/8”) wrenches.